AU769192B2 - Device for conveying electrodes used in the electrolytic refining or electrowinning of metals - Google Patents
Device for conveying electrodes used in the electrolytic refining or electrowinning of metals Download PDFInfo
- Publication number
- AU769192B2 AU769192B2 AU45734/00A AU4573400A AU769192B2 AU 769192 B2 AU769192 B2 AU 769192B2 AU 45734/00 A AU45734/00 A AU 45734/00A AU 4573400 A AU4573400 A AU 4573400A AU 769192 B2 AU769192 B2 AU 769192B2
- Authority
- AU
- Australia
- Prior art keywords
- conveyor
- electrode
- lift
- members
- electrowinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Description
WO 00/77276 PCT/FI00/00455 DEVICE FOR CONVEYING ELECTRODES USED IN THE ELECTROLYTIC REFINING OR ELECTROWINNING OF METALS The present invention relates to a device for conveying electrodes used in the electrolytic refining or electrowinning of metals from one station to another, in which device the number of movable parts and mechanisms is limited, and the spacing of the electrodes is maintained essentially the same.
In electrolytic plants used for producing metals, such as copper, nickel and zinc, there are processed remarkable amounts of electrodes, anodes and cathodes.
Owing to the large quantities to be processed, the processing is mainly carried out with machines, where an important function is to convey the electrodes from one working step to another.
Traditionally, chain and walking beam conveyors are used for conveying electrodes. However, in this type of conveyors there arise problems that are partly caused by the electrolytic conditions and partly to the structural arrangements of the conveyors. Problems caused by the electrolytic conditions are generally connected to mechanical wearing due to impurities in the electrodes, and to corrosion due to the corroding effect of the electrolyte. Conveyor arrangements are normally difficult to protect against these conditions.
A common problem with chain conveyors is the stretching of the chain, which is further enhanced by the impurities and corrosion typical of electrolytic processes. This is a particularly remarkable problem in electrolytic machines, because the electrodes should, in each processing station along the conveyor line, be brought to precisely the correct position, which can only be done with a conveyor where the spacing between the electrodes always remains exactly right.
2 As for the structural arrangements of walking beam conveyors, there is generally used a structure where the element conveying electrodes, i.e. the walking beam, both rises up and performs a controlled horizontal shifting motion prior to descending and returning to the initial position. The lifting step, where the walking beam raises the electrodes to be conveyed so that they are supported by the walking beam, must for functional reasons of the mechanism be performed exactly in the same rhythm along the whole length of the walking beam, which makes the mechanism, particularly in long conveyors, heavy and complicated.
For all the above mentioned reasons, known conveyor arrangements are generally expensive, but still wear relatively rapidly and require a lot of maintenance.
It would therefore be advantageous to alleviate the drawbacks of the prior art and to achieve an improved device for conveying electrodes, used in the electrolytic refining or electrowinning of metals in an electrolytic plant, from one station to another, particularly when the electrodes are conveyed in the lengthwise direction, i.e. in an essentially perpendicular direction with respect to the line connecting the electrode support points.
According to the present invention, there is provided a device useful in the electrolytic refining or electrowinning of metals to convey at least one electrode from one station to another station in an substantially perpendicular direction 25 with respect to a line connecting electrode support points of the device wherein the device is provided with mutually separate members used to convey the electrode, the mutually separate members comprising at least one lift member providing a substantially vertical motion to the electrode and at least one conveyor member providing a substantially horizontal motion to the electrode, 00 30 the lift member and the conveyer member being installed below the electrode .oo.o S•support points of the device.
*oooo H:\jolzik\keep\Speci\45734-00OO.doc 13/11/03 2a Several, preferable features of the present invention will now be described, which form features of preferred embodiments of the present invention.
According to the invention, in an electrode conveyor device to be used for electrolytic refining or electrowinning in an electrolytic plant, the horizontal conveying motion proper, and the lifting motion required by the walking beam principle are assigned for separate members. For performing the conveying motion, the conveyor comprises at least one conveyor member, and for the lifting motion, at least one lift member. Advantageously the conveyor device according to the invention comprises two conveyor members and respectively two lift members. Moreover, the conveyor device according to the invention usually has a modular structure, in which case one module is formed by two 1/ H:\jolzik\keep\Speci\45734-00.doc 13/11/03 WO 00/77276 PCT/FI00/00455 3 conveyor members and respectively by two lift members. When employing a pair of conveyor members and respectively a pair of lift members, the electrode to be conveyed is advantageously supported at both ends of the supporting structures of the electrode.
In a conveyor device according to the invention, the conveyor member is formed of an essentially rail-like structure, which is advantageously installed underneath the electrode supporting structures, such as cathode hangers and anode support lugs, so that the conveyor member is movable back and forth, essentially for the length of the electrode conveying step only, in an essentially horizontal direction.
In a conveyor device according to the invention, the lift member is formed of a lift plate, which also is installed advantageously undemrneath the electrode supporting structures, such as cathode hangers and anode support lugs, so that the lift member is movable back and forth essentially for the length caused by a possible indentation of the conveyor member and the lift member only.
The lift member is essentially movable in the vertical direction only, when said lift member is supported so that the motion as such is not linear.
Advantageously the conveyor device according to the invention is formed of one or several modules, each module advantageously comprising a pair of conveyor members and a pair of lift members supported against the module housing structure. Moreover, in between the module housing structure and the essentially horizontally movable conveyor members on one hand, and the essentially vertically movable lift members on the other hand, in the module there are installed support members creating the desired motion, such as roller support and control, slide rail support and control, or a combination of these.
The back and forth motion of the conveyor and lift members is advantageously generated by hydraulic cylinders, but other types of drive elements can also be used for creating the motion, such as pneumatic or electric drive elements.
WO 00/77276 PCT/FI00/00455 4 The operation of a conveyor device according to the invention is based on the following steps: 1) the lift member lowers the electrode down, to rest supported by the conveyor member, 2) the conveyor member conveys the electrode for the length of a desired horizontal step, 3) the lift member lifts the electrode up from the support of the conveyor member, and 4) the conveyor member returns, without the load, to the initial position in order to start a new cycle.
In the conveyor member according to the invention, the essentially horizontal conveying motion proper and the lifting motion required by the walking beam principle are performed by separate members, and therefore the structure of the conveyor device allows for the conveyor members to move separately at different times or in a different rhythm, the lift members to move separately at different times or in a different rhythm and even the ends of each lift member to move separately at different times or in a different rhythm, in case in between the above described operational steps, it is observed that all motions of the preceding step are performed. In particular the fact that the operation of the conveyor device according to the invention allows for the lift members to move separately at different times or in a different rhythm and even the ends of each lift member to move separately at different times or in a different rhythm makes the module of the conveyor device according to the invention essentially simpler than the traditional walking beam conveyors.
The modular structure of the conveyor device according to the invention is made particularly advantageous by the fact that because the weight of the electrodes, cathodes or anodes, in each electrode type is essentially constant, in the module essentially only the housing width and height are chosen WO 00/77276 PCT/FI00/00455 according to the measures of the electrode in question. In case a single module structure becomes essentially long, said module structure can be combined of several successive modules. The modules can be placed in succession essentially without mechanical coupling. In the case of more than one module, the modules can advantageously be controlled in the same fashion as one single module, i.e. for example all actuators of the lift members and all actuators of the conveyor members can be mutually connected to be under one and the same control. When necessary, also the conveyor members of successive modules can be mechanically connected. In similar fashion, it may be advantageous, from the point of view of the installation and use of the conveyor device, that at least the housings of successive modules are mechanically connected, for instance by means of a bolted joint.
When using the conveyor device according to the invention, the spacing of the electrodes always remains essentially constant. Because the horizontal and vertical motions are separated for their specific members, the actuators as such are simple, and mechanical synchronisation between the motions is not necessary. Consequently, the structure is economical in manufacturing expenses, and the maintenance needed by the structure is minimal. Also the number of movable parts and mechanisms in the conveyor device is essentially small, in which case the structure becomes strong and has a long working life.
The invention is described in more detail below, with reference to the accompanying drawings, where figure 1 illustrates a preferred embodiment according to the invention, seen from the side as an electrode is being conveyed, and figure 2 illustrates the embodiment according to figure 1, seen from the direction 2-2.
According to the drawings, the conveyor member 1 is supported by the housing structure 2 of the conveyor device. The cathode 3 to be conveyed is supported, 6 at the ends of the hanger 4, by a conveyor member 1, which is moved by a horizontally operating hydraulic cylinder 5. The cathode 3 is lowered to be supported by the conveyor device 1 by means of a lift member 6 installed in the same housing structure 2, and said lift member 6 is moved by vertically operated hydraulic cylinders 7.
In the claims which follow and in the preceding description of the invention, except where the context requires otherwise due to express language or necessary implication, the word "comprise" or variations such as "comprises" or "comprising" is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.
*:oo oo*
Claims (7)
1. A device useful in the electrolytic refining or electrowinning of metals to convey at least one electrode from one station to another station in an substantially perpendicular direction with respect to a line connecting electrode support points of the device wherein the device is provided with mutually separate members used to convey the electrode, the mutually separate members comprising at least one lift member providing a substantially vertical motion to the electrode and at least one conveyor member providing a substantially horizontal motion to the electrode, the lift member and the conveyer member being installed below the electrode support points of the device.
2. A device according to claim 1, in which the operation of the conveyor member and/or of the lift member is controlled by means of hydraulic cylinders.
3. A device according to claim 1 or 2, in which the operation of the conveyor member and/or of the lift member is controlled by pneumatic cylinders.
4. A device according to any one of the preceding claims, in which the :000: operation of the conveyor member and/or of the lift member is controlled i °"electrically. 25
5. A device according to any one of the preceding claims, in which the device has a modular structure.
6. A device according to claim 5, in which the molecular structure is *comprised of modules, wherein at least one module includes at least two 30 conveyor members and at least two lift members. H:\jolzik\keep\Speci\45734-00.doc 13/11/03 8
7. A device useful in the electrolytic refining or electrowinning of metals to convey electrodes from one station to another substantially as herein described with reference to the accompanying drawings. Dated this 13th day of November 2003 OUTOKUMPU OYJ By their Patent Attorneys GRIFFITH HACK Fellows Institute of Patent and Trade Mark Attorneys of Australia H:\jolzik\keep\Speci\45734-00.doc 13/11/03 H*jli~epSei453-0dc1/10
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI991324 | 1999-06-10 | ||
| FI991324A FI107941B (en) | 1999-06-10 | 1999-06-10 | Apparatus for transferring electrodes in electrolytic refining of metals |
| PCT/FI2000/000455 WO2000077276A1 (en) | 1999-06-10 | 2000-05-19 | Device for conveying electrodes used in the electrolytic refining or electrowinning of metals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4573400A AU4573400A (en) | 2001-01-02 |
| AU769192B2 true AU769192B2 (en) | 2004-01-22 |
Family
ID=8554848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU45734/00A Ceased AU769192B2 (en) | 1999-06-10 | 2000-05-19 | Device for conveying electrodes used in the electrolytic refining or electrowinning of metals |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6821405B1 (en) |
| EP (1) | EP1200642A1 (en) |
| JP (1) | JP4602616B2 (en) |
| KR (1) | KR20020042532A (en) |
| CN (1) | CN1213172C (en) |
| AU (1) | AU769192B2 (en) |
| BG (1) | BG65284B1 (en) |
| BR (1) | BR0011356A (en) |
| CA (1) | CA2374670C (en) |
| EA (1) | EA004223B1 (en) |
| FI (1) | FI107941B (en) |
| MX (1) | MXPA01012574A (en) |
| PE (1) | PE20010344A1 (en) |
| PL (1) | PL352215A1 (en) |
| WO (1) | WO2000077276A1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7014036B2 (en) | 2002-11-27 | 2006-03-21 | Falconbridge Limited | Cathode linear conveyer assembly |
| CA2568484C (en) * | 2006-11-22 | 2013-01-29 | Stephan Frank Matusch | High capacity anode preparation apparatus |
| US8636892B2 (en) | 2010-12-23 | 2014-01-28 | Ge-Hitachi Nuclear Energy Americas Llc | Anode-cathode power distribution systems and methods of using the same for electrochemical reduction |
| US8771482B2 (en) | 2010-12-23 | 2014-07-08 | Ge-Hitachi Nuclear Energy Americas Llc | Anode shroud for off-gas capture and removal from electrolytic oxide reduction system |
| US9017527B2 (en) * | 2010-12-23 | 2015-04-28 | Ge-Hitachi Nuclear Energy Americas Llc | Electrolytic oxide reduction system |
| US8900439B2 (en) | 2010-12-23 | 2014-12-02 | Ge-Hitachi Nuclear Energy Americas Llc | Modular cathode assemblies and methods of using the same for electrochemical reduction |
| US8956524B2 (en) | 2010-12-23 | 2015-02-17 | Ge-Hitachi Nuclear Energy Americas Llc | Modular anode assemblies and methods of using the same for electrochemical reduction |
| US9150975B2 (en) | 2011-12-22 | 2015-10-06 | Ge-Hitachi Nuclear Energy Americas Llc | Electrorefiner system for recovering purified metal from impure nuclear feed material |
| US8746440B2 (en) | 2011-12-22 | 2014-06-10 | Ge-Hitachi Nuclear Energy Americas Llc | Continuous recovery system for electrorefiner system |
| US8945354B2 (en) | 2011-12-22 | 2015-02-03 | Ge-Hitachi Nuclear Energy Americas Llc | Cathode scraper system and method of using the same for removing uranium |
| US8598473B2 (en) | 2011-12-22 | 2013-12-03 | Ge-Hitachi Nuclear Energy Americas Llc | Bus bar electrical feedthrough for electrorefiner system |
| US8882973B2 (en) | 2011-12-22 | 2014-11-11 | Ge-Hitachi Nuclear Energy Americas Llc | Cathode power distribution system and method of using the same for power distribution |
| FR2986977B1 (en) * | 2012-02-17 | 2015-08-21 | Om Group Ultra Pure Chemicals Sas | PROCESS FOR PRODUCING COPPER SULPHATE |
| US8968547B2 (en) | 2012-04-23 | 2015-03-03 | Ge-Hitachi Nuclear Energy Americas Llc | Method for corium and used nuclear fuel stabilization processing |
| CN102644092B (en) * | 2012-05-03 | 2014-09-24 | 彭朝阳 | Multifunctional integrated machine of electrolytic manganese metal cathode plate and automatic plugging plate |
| CN107385473B (en) * | 2017-08-22 | 2023-05-23 | 新乡市百分百机电有限公司 | Anode conveying vehicle of molten salt electrolysis system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997024475A1 (en) * | 1996-01-02 | 1997-07-10 | Outokumpu Wenmec Ab | A conveyor arrangement and conveyor line |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE759098A (en) | 1969-11-19 | 1971-04-30 | Demag Ag | DEVICE FOR ENTERING ANODE PLATES |
| US3707764A (en) * | 1970-04-01 | 1973-01-02 | Kennecott Copper Corp | A wholly integral anode for electrolytic refining of metals |
| FI51324C (en) | 1973-09-21 | 1976-12-10 | Outokumpu Oy | A device for transferring a plate-like product from one station to another. |
| US3946854A (en) * | 1974-02-14 | 1976-03-30 | Mitsui Mining & Smelting Co., Ltd. | Transporting method |
| JPS5296904A (en) | 1976-02-10 | 1977-08-15 | Mitsui Mining & Smelting Co | Apparatus for automatic replacement of plate electrode in electrolysis of metals |
| US4217919A (en) * | 1979-08-16 | 1980-08-19 | Faunce And Associates, Inc. | Ratchet conveyor and electrical energy cleaning system |
| US4363395A (en) | 1980-09-10 | 1982-12-14 | George Mink | Material handling device |
| FI107740B (en) * | 1998-09-30 | 2001-09-28 | Outokumpu Oy | Electrode transverse displacement |
-
1999
- 1999-06-10 FI FI991324A patent/FI107941B/en not_active IP Right Cessation
-
2000
- 2000-05-19 EP EP00927301A patent/EP1200642A1/en not_active Withdrawn
- 2000-05-19 BR BR0011356-5A patent/BR0011356A/en not_active Application Discontinuation
- 2000-05-19 US US09/979,970 patent/US6821405B1/en not_active Expired - Fee Related
- 2000-05-19 AU AU45734/00A patent/AU769192B2/en not_active Ceased
- 2000-05-19 CA CA002374670A patent/CA2374670C/en not_active Expired - Fee Related
- 2000-05-19 KR KR1020017015860A patent/KR20020042532A/en not_active Application Discontinuation
- 2000-05-19 MX MXPA01012574A patent/MXPA01012574A/en active IP Right Grant
- 2000-05-19 WO PCT/FI2000/000455 patent/WO2000077276A1/en active Search and Examination
- 2000-05-19 CN CNB008087032A patent/CN1213172C/en not_active Expired - Fee Related
- 2000-05-19 PL PL00352215A patent/PL352215A1/en not_active Application Discontinuation
- 2000-05-19 JP JP2001503714A patent/JP4602616B2/en not_active Expired - Fee Related
- 2000-05-19 EA EA200200021A patent/EA004223B1/en not_active IP Right Cessation
- 2000-06-06 PE PE2000000560A patent/PE20010344A1/en not_active Application Discontinuation
-
2001
- 2001-12-04 BG BG106177A patent/BG65284B1/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997024475A1 (en) * | 1996-01-02 | 1997-07-10 | Outokumpu Wenmec Ab | A conveyor arrangement and conveyor line |
Also Published As
| Publication number | Publication date |
|---|---|
| BG106177A (en) | 2002-07-31 |
| CN1354808A (en) | 2002-06-19 |
| EA200200021A1 (en) | 2002-06-27 |
| EA004223B1 (en) | 2004-02-26 |
| AU4573400A (en) | 2001-01-02 |
| FI107941B (en) | 2001-10-31 |
| WO2000077276A1 (en) | 2000-12-21 |
| BR0011356A (en) | 2002-02-26 |
| FI991324A0 (en) | 1999-06-10 |
| JP2003524068A (en) | 2003-08-12 |
| PE20010344A1 (en) | 2001-04-03 |
| CN1213172C (en) | 2005-08-03 |
| JP4602616B2 (en) | 2010-12-22 |
| CA2374670A1 (en) | 2000-12-21 |
| FI991324A (en) | 2000-12-11 |
| MXPA01012574A (en) | 2002-04-10 |
| KR20020042532A (en) | 2002-06-05 |
| CA2374670C (en) | 2008-08-12 |
| BG65284B1 (en) | 2007-11-30 |
| PL352215A1 (en) | 2003-08-11 |
| US6821405B1 (en) | 2004-11-23 |
| EP1200642A1 (en) | 2002-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) |